{"id":"https://openalex.org/A5112397398","orcid":"https://orcid.org/0000-0001-9175-0357","observed_orcids":["https://orcid.org/0000-0001-9175-0357"],"display_name":"Sunil Kumar Chhabra","raw_author_names":["Chhabra, Sunil K.","S K Chhabra","S. K. Chhabra","S.K. CHHABRA","S.K. Chhabra","Sunil Chhabra","Sunil K Chhabra","Sunil K. Chhabra","Sunil Kumar CHHABRA","Sunil Kumar Chhabra","SunilK Chhabra","SunilKumar Chhabra"],"full_name":"Sunil Kumar Chhabra","works_count":104,"cited_by_count":2529,"summary_stats":{"2yr_mean_citedness":1.2222222222222223,"h_index":25,"i10_index":48},"ids":{"openalex":"https://openalex.org/A5112397398","orcid":"https://orcid.org/0000-0001-9175-0357","observed_orcids":["https://orcid.org/0000-0001-9175-0357"]},"affiliations":[{"institution":{"id":"https://openalex.org/I110166357","ror":"https://ror.org/04gzb2213","display_name":"University of Delhi","country_code":"IN","type":"education","lineage":["https://openalex.org/I110166357"]},"years":[2022,2018,2017,2016,2015,2014,2013,2011,2010,2009,2006,2005,2004,2003,2002,2001,2000,1999,1998,1994,1990,1989,1988]},{"institution":{"id":"https://openalex.org/I172982924","ror":"https://ror.org/01h3fm945","display_name":"University College of Medical Sciences","country_code":"IN","type":"education","lineage":["https://openalex.org/I110166357","https://openalex.org/I172982924"]},"years":[2022,2016]},{"institution":{"id":"https://openalex.org/I4210137951","ror":"https://ror.org/03vkkz907","display_name":"Batra Hospital and Medical Research Centre","country_code":"IN","type":"healthcare","lineage":["https://openalex.org/I4210137951"]},"years":[1990]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10051","display_name":"Asthma and respiratory diseases","count":69,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10143","display_name":"Chronic Obstructive Pulmonary Disease (COPD) Research","count":63,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12208","display_name":"Occupational exposure and asthma","count":19,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10665","display_name":"Cystic Fibrosis Research Advances","count":9,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11026","display_name":"Occupational and environmental lung diseases","count":8,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10143","display_name":"Chronic Obstructive Pulmonary Disease (COPD) Research","value":0.000135,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12208","display_name":"Occupational exposure and asthma","value":0.0001338,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10051","display_name":"Asthma and respiratory diseases","value":0.0001005,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12600","display_name":"Eosinophilic Disorders and Syndromes","value":8.82e-05,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10665","display_name":"Cystic Fibrosis Research Advances","value":5.17e-05,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9810103178024292},{"id":"2780333948","wikidata":"https://www.wikidata.org/wiki/Q653305","display_name":"Spirometry","score":0.951676607131958},{"id":"2776042228","wikidata":"https://www.wikidata.org/wiki/Q35869","display_name":"Asthma","score":0.9198745489120483},{"id":"2776780178","wikidata":"https://www.wikidata.org/wiki/Q199804","display_name":"COPD","score":0.8822256922721863},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7662191987037659}],"counts_by_year":[{"year":1986,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":126},{"year":2013,"works_count":5,"oa_works_count":3,"cited_by_count":150},{"year":2014,"works_count":3,"oa_works_count":2,"cited_by_count":114},{"year":2015,"works_count":6,"oa_works_count":3,"cited_by_count":136},{"year":2016,"works_count":8,"oa_works_count":4,"cited_by_count":111},{"year":2017,"works_count":5,"oa_works_count":4,"cited_by_count":132},{"year":2018,"works_count":2,"oa_works_count":0,"cited_by_count":141},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":152},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":147},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":146},{"year":2022,"works_count":11,"oa_works_count":11,"cited_by_count":154},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":115},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":93},{"year":2025,"works_count":5,"oa_works_count":4,"cited_by_count":84},{"year":2026,"works_count":3,"oa_works_count":2,"cited_by_count":55}],"display_name_alternatives":["Chhabra, Sunil K.","S K Chhabra","S. K. Chhabra","S.K. CHHABRA","S.K. Chhabra","Sunil Chhabra","Sunil K Chhabra","Sunil K. Chhabra","Sunil Kumar CHHABRA","Sunil Kumar Chhabra","SunilK Chhabra","SunilKumar Chhabra"],"block_key":"s chhabra","works_api_url":"https://api.openalex.org/works?filter=author.id:A5112397398","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5112397398","updated_date":"2026-11-11T13:02:13","created_date":"2016-06-24T00:00:00"}